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comparison: media/libyuv/source/row_x86.asm
media/libyuv/source/row_x86.asm
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- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:5f14e87ceaee |
|---|---|
| 1 ; | |
| 2 ; Copyright 2012 The LibYuv Project Authors. All rights reserved. | |
| 3 ; | |
| 4 ; Use of this source code is governed by a BSD-style license | |
| 5 ; that can be found in the LICENSE file in the root of the source | |
| 6 ; tree. An additional intellectual property rights grant can be found | |
| 7 ; in the file PATENTS. All contributing project authors may | |
| 8 ; be found in the AUTHORS file in the root of the source tree. | |
| 9 ; | |
| 10 | |
| 11 %ifdef __YASM_VERSION_ID__ | |
| 12 %if __YASM_VERSION_ID__ < 01020000h | |
| 13 %error AVX2 is supported only by yasm 1.2.0 or later. | |
| 14 %endif | |
| 15 %endif | |
| 16 %include "x86inc.asm" | |
| 17 | |
| 18 SECTION .text | |
| 19 | |
| 20 ; cglobal numeric constants are parameters, gpr regs, mm regs | |
| 21 | |
| 22 ; void YUY2ToYRow_SSE2(const uint8* src_yuy2, uint8* dst_y, int pix) | |
| 23 | |
| 24 %macro YUY2TOYROW 2-3 | |
| 25 cglobal %1ToYRow%3, 3, 3, 3, src_yuy2, dst_y, pix | |
| 26 %ifidn %1,YUY2 | |
| 27 pcmpeqb m2, m2, m2 ; generate mask 0x00ff00ff | |
| 28 psrlw m2, m2, 8 | |
| 29 %endif | |
| 30 | |
| 31 ALIGN 4 | |
| 32 .convertloop: | |
| 33 mov%2 m0, [src_yuy2q] | |
| 34 mov%2 m1, [src_yuy2q + mmsize] | |
| 35 lea src_yuy2q, [src_yuy2q + mmsize * 2] | |
| 36 %ifidn %1,YUY2 | |
| 37 pand m0, m0, m2 ; YUY2 even bytes are Y | |
| 38 pand m1, m1, m2 | |
| 39 %else | |
| 40 psrlw m0, m0, 8 ; UYVY odd bytes are Y | |
| 41 psrlw m1, m1, 8 | |
| 42 %endif | |
| 43 packuswb m0, m0, m1 | |
| 44 %if cpuflag(AVX2) | |
| 45 vpermq m0, m0, 0xd8 | |
| 46 %endif | |
| 47 sub pixd, mmsize | |
| 48 mov%2 [dst_yq], m0 | |
| 49 lea dst_yq, [dst_yq + mmsize] | |
| 50 jg .convertloop | |
| 51 REP_RET | |
| 52 %endmacro | |
| 53 | |
| 54 ; TODO(fbarchard): Remove MMX. Add SSSE3 pshufb version. | |
| 55 INIT_MMX MMX | |
| 56 YUY2TOYROW YUY2,a, | |
| 57 YUY2TOYROW YUY2,u,_Unaligned | |
| 58 YUY2TOYROW UYVY,a, | |
| 59 YUY2TOYROW UYVY,u,_Unaligned | |
| 60 INIT_XMM SSE2 | |
| 61 YUY2TOYROW YUY2,a, | |
| 62 YUY2TOYROW YUY2,u,_Unaligned | |
| 63 YUY2TOYROW UYVY,a, | |
| 64 YUY2TOYROW UYVY,u,_Unaligned | |
| 65 INIT_YMM AVX2 | |
| 66 YUY2TOYROW YUY2,a, | |
| 67 YUY2TOYROW UYVY,a, | |
| 68 | |
| 69 ; void SplitUVRow_SSE2(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int pix) | |
| 70 | |
| 71 %macro SplitUVRow 1-2 | |
| 72 cglobal SplitUVRow%2, 4, 4, 5, src_uv, dst_u, dst_v, pix | |
| 73 pcmpeqb m4, m4, m4 ; generate mask 0x00ff00ff | |
| 74 psrlw m4, m4, 8 | |
| 75 sub dst_vq, dst_uq | |
| 76 | |
| 77 ALIGN 4 | |
| 78 .convertloop: | |
| 79 mov%1 m0, [src_uvq] | |
| 80 mov%1 m1, [src_uvq + mmsize] | |
| 81 lea src_uvq, [src_uvq + mmsize * 2] | |
| 82 psrlw m2, m0, 8 ; odd bytes | |
| 83 psrlw m3, m1, 8 | |
| 84 pand m0, m0, m4 ; even bytes | |
| 85 pand m1, m1, m4 | |
| 86 packuswb m0, m0, m1 | |
| 87 packuswb m2, m2, m3 | |
| 88 %if cpuflag(AVX2) | |
| 89 vpermq m0, m0, 0xd8 | |
| 90 vpermq m2, m2, 0xd8 | |
| 91 %endif | |
| 92 mov%1 [dst_uq], m0 | |
| 93 mov%1 [dst_uq + dst_vq], m2 | |
| 94 lea dst_uq, [dst_uq + mmsize] | |
| 95 sub pixd, mmsize | |
| 96 jg .convertloop | |
| 97 REP_RET | |
| 98 %endmacro | |
| 99 | |
| 100 INIT_MMX MMX | |
| 101 SplitUVRow a, | |
| 102 SplitUVRow u,_Unaligned | |
| 103 INIT_XMM SSE2 | |
| 104 SplitUVRow a, | |
| 105 SplitUVRow u,_Unaligned | |
| 106 INIT_YMM AVX2 | |
| 107 SplitUVRow a, | |
| 108 | |
| 109 ; void MergeUVRow_SSE2(const uint8* src_u, const uint8* src_v, uint8* dst_uv, | |
| 110 ; int width); | |
| 111 | |
| 112 %macro MergeUVRow_ 1-2 | |
| 113 cglobal MergeUVRow_%2, 4, 4, 3, src_u, src_v, dst_uv, pix | |
| 114 sub src_vq, src_uq | |
| 115 | |
| 116 ALIGN 4 | |
| 117 .convertloop: | |
| 118 mov%1 m0, [src_uq] | |
| 119 mov%1 m1, [src_vq] | |
| 120 lea src_uq, [src_uq + mmsize] | |
| 121 punpcklbw m2, m0, m1 // first 8 UV pairs | |
| 122 punpckhbw m0, m0, m1 // next 8 UV pairs | |
| 123 %if cpuflag(AVX2) | |
| 124 vperm2i128 m1, m2, m0, 0x20 // low 128 of ymm2 and low 128 of ymm0 | |
| 125 vperm2i128 m2, m2, m0, 0x31 // high 128 of ymm2 and high 128 of ymm0 | |
| 126 mov%1 [dst_uvq], m1 | |
| 127 mov%1 [dst_uvq + mmsize], m2 | |
| 128 %else | |
| 129 mov%1 [dst_uvq], m2 | |
| 130 mov%1 [dst_uvq + mmsize], m0 | |
| 131 %endif | |
| 132 lea dst_uvq, [dst_uvq + mmsize * 2] | |
| 133 sub pixd, mmsize | |
| 134 jg .convertloop | |
| 135 REP_RET | |
| 136 %endmacro | |
| 137 | |
| 138 INIT_MMX MMX | |
| 139 MergeUVRow_ a, | |
| 140 MergeUVRow_ u,_Unaligned | |
| 141 INIT_XMM SSE2 | |
| 142 MergeUVRow_ a, | |
| 143 MergeUVRow_ u,_Unaligned | |
| 144 INIT_YMM AVX2 | |
| 145 MergeUVRow_ a, | |
| 146 |
